DAMBRAUSKAS, A.; RINKEVIČIUS, V. Algorithmic Methods of Variational Calculus. Elektronika ir Elektrotechnika, [S. l.], v. 78, n. 6, p. 75-78, 2007. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10825. Acesso em: 23 apr. 2024.